- Model NO.: H44W
- Connection Form: Flange
- Pressure: Ordinary Temperature
- Sealing Form: Bolt Bonnet
- Standard: ANSI
- Type: Swing Check Valve
- Body Material: Wcb, Wc6, Lcb, Wc9, CF8, CF8m, CF3 and CF3m
- Trademark: JLV
- Origin: China
- Material: Cast Steel
- Structure: Swing
- Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
- Flow Direction: Unidirection
- Application: Industrial Usage, Water Industrial Usage
- Size: Nps2"~48" Dn50~1200mm
- Feature: Bolt Bonnet, Swing Type Disc
- Specification: API, DIN, Bs, JIS
- HS Code: 8481804090
API Swing Check Valve
Main Specification
Swing Check valve is a type of valve which according to the direction of flow to open or close,it is a automatic valve. Check valve used in pipeline system to avoid medium backflow and preventing the pump and its drive motor reverses,as well as the discharge of container medium.
Normal Feature
Size Range
NPS2"~48" DN50~1200mm
Class
150LB~1500LB
Material
WCB,WC6,LCB,WC9,CF8,CF8M,CF3 and CF3M
Connection
Flanged,Butt-welded,Thread End
Feature
Swing type disc, horizontal installation ,reduced or full bore. Pressure sealing cover.Bolted bonnet.
Temperature
-29ºC~550ºC
Suitable Medium
Water,Oil,Steam,Acid Medium
Application
Oil and gas pipeline/Pharmacy/Chemical Plant/Power plant
Manufacture Standard
Design standard
API6D,ANSI B 16.34,BS1868
Face to face
ASME/ANSI B 16.10
Flanged Ends Connection
ASME/ANSI B 16.5
Butt-weld ends connection
ANSI B 16.25
Inspection and test
API598
Main Parts Material
1
Part Name
Carbon Steel
High Tep. Material
Low Tep. Material
Stainless Steel
Stainless steel
Duplex SS
2
Body
A216-WCB
A217-WC6
A352-LCB
A351-CF8
A351-CF8M
A890-GR 4A
3
Bonnet
A216-WCB
A217-WC6
A352-LCB
A351-CF8
A351-CF8M
A890-GR 4A
4
Disc
A216-WCB+CR13
A217-WC6
A352-LCB+CR13
A351-CF8
A351-CF8M
A890-GR 4A
5
Hinge
A216-WCB
A217-WC6
A352-LCB
A351-CF8
A351-CF8M
A890-GR 4A
6
Arm
A216-WCB
A217-WC6
A352-LCB
A351-CF8
A351-CF8M
A890-GR 4A
7
Seat Ring
A105+HF
A182-F11+HF
A350-LF2+HF
A182-304+HF
A182-316+HF
A182-F51
8
Hinge Pin
A276-420
A276-304
A276-420
A276-304
A276-316
A276-F51
9
Disc Washer
Carbon steel
A276-304
Carbon steel
A276-304
A276-316
A182-321
10
Disc Nut
A276-420
A276-304
A276-420
A276-304
A276-316
A182-321
11
Disc Nut Pin
Carbon steel
A276-304
Carbon steel
A276-304
A276-316
A182-321
12
Bonnet Gasket
Graphite+304
Graphite+316
Graphite+321
13
Bonnet Stud
A193-B7
A193-B16
A320-L7
A193-B8
A193-B8M
A320-L7M+Zn
14
Bonnet Stud Nut
A194-2H
A194-4
A194-4
A194-8
A197-8M
A194-7M+Zn
15
Eyebolt
Carbon steel
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l Professional manufacturer with many years' experience in this area.
l Best price with superior quality.
l 3-5 hours fast reply.
l OEM service acceptable, customer providing sample for special requirement is accepted.